package com.atguigu.lease.web.admin.custom.converter;

import com.atguigu.lease.model.enums.BaseEnum;
import org.springframework.context.annotation.Bean;
import org.springframework.core.convert.converter.Converter;
import org.springframework.core.convert.converter.ConverterFactory;

public class StringToBaseEnumConverterFactory implements ConverterFactory<String , BaseEnum> {
    @Override
    public <T extends BaseEnum> Converter<String, T> getConverter(Class<T> targetType) {
        return new Converter<String, T>() {
            @Override
            public T convert(String source) {
                for (T enumConstant : targetType.getEnumConstants()) {
                   if (enumConstant.getCode().equals(Integer.valueOf(source))){
                       return enumConstant;
                   }
                }
                throw new IllegalArgumentException("非法参数"+source);
            }
        };
    }
}
